Php - regular expression to check if the string has chinese chars

Question

I have the string $str and I want to check if it`s content has Chinese chars or not (true/false)

$str = \"赕就可消垻,只有当所有方块都被消垻时才可以过关\";
         


        

Answer 1

@mario answer is right!

For Chinese chars use this regex: /[\x{4e00}-\x{9fa5}]+/u

And Don't forget the u modifier!!!

About u modifier reference

TKS to mario